1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* { dg-do run } */
/* { dg-options "-mavx512f -O2" } */
/* { dg-require-effective-target avx512f } */
#define SIZE (128 / 32)
#include <math.h>
#include "avx512f-check.h"
#include "avx512f-helper.h"
static void
compute_rndscaless (float *s1, float *s2, float *r, int imm)
{
int rc, m;
rc = imm & 0xf;
m = imm >> 4;
switch (rc)
{
case _MM_FROUND_FLOOR:
r[0] = floorf (s2[0] * pow (2, m)) / pow (2, m);
break;
case _MM_FROUND_CEIL:
r[0] = ceilf (s2[0] * pow (2, m)) / pow (2, m);
break;
default:
abort ();
break;
}
r[1] = s1[1];
r[2] = s1[2];
r[3] = s1[3];
}
static void
avx512f_test (void)
{
int imm = _MM_FROUND_FLOOR | (7 << 4);
union128 s1, s2, res1;
float res_ref[SIZE];
s1.x = _mm_set_ps (4.05084, -1.23162, 2.00231, -6.22103);
s2.x = _mm_set_ps (-4.19319, -3.53222, 7.33527, 5.57655);
res1.x = _mm_roundscale_ss (s1.x, s2.x, imm);
compute_rndscaless (s1.a, s2.a, res_ref, imm);
if (check_union128 (res1, res_ref))
abort ();
}
|